Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21931009 (number)

21931009 is an odd 8-digits composite number following 21931008 and preceding 21931010. In scientific notation, it is written as 2.1931009 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21908016 positive integers (up to 21931009) that are relatively prime to 21931009.

Interesting facts

21931009 has 4 divisors, whose sum is 21954004
The reverse of 21931009 is 90013912
Previous prime number is 997

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million nine hundred thirty-one thousand nine

Notation

Scientific notation	2.1931009 × 10^7
Engineering notation	2.1931009 × 10^6

Prime Factorization of 21931009

Prime Factorization 997 × 21997

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21931009	Product of the distinct prime numbers

The prime factorization of 21931009 is 997 × 21997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 39, 3, 378, 954, 8132, 3943, 10666, 95154, 33113, 260764, 4541368, 290437, 2505463, 2997924, 672704776, 15639573, 6120035548, 240880423

Basic calculations (n = 21931009)

Multiplication

n×y

n×2	43862018
n×3	65793027
n×4	87724036
n×5	109655045

Division

n÷y

n÷2	10965504.5
n÷3	7310336.3333333
n÷3	5482752.25
n÷5	4386201.8

Exponentiation

n^y

n²	480969155758081
n³	1.0548138883653E+22
n⁴	2.3133132879064E+29
n⁵	5.0733294536895E+36

Nth Root

^y√n

²√n	4683.0555196367
³√n	279.91072408909
⁴√n	68.432854095359
⁵√n	29.390821328037

Divisors of 21931009

1, 997, 21997, 21931009

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21931008	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931009 can be divided by 4 positive divisors. The sum of these divisors (counting 21931009) is 1, the average is 0.25.

Base conversion 21931009

Base	System	Value
2	Binary	1010011101010010000000001
3	Ternary	1112021012200121
4	Quaternary	1103222100001
5	Quinary	21103243014
6	Senary	2102020241
8	Octal	123522001
10	Decimal	21931009
12	Duodecimal	7417681
16	Hexadecimal	14ea401
20	Vigesimal	6h17a9
36	Base36	d222p

Cryptographic Hash Functions

md5	f5289004db7ffebcc93bdba2bdeae962
sha1	46ab3668ebf51ea6fb01aef6d87a7ac402537dd4
sha256	7bcd009214a9c1b6341041034b8a319dbb6bda8d7748730df4e2d11b91e7ecd2
sha512	8c202f713e6a2ebb39058554ca6e1bdde5fa2fefb6c631d7a623ee9909162ea684c2287dae0c89960ceb5dde640a905564da98b52a952c0dba36f751d80bbed1
ripemd-160	7fafa55fd480338f38441d4ebb46a76397bbb243

21931009 as geometric shapes

Circle

Radius = n

Diameter	43862018
Circumference	137796593.52042
Area	1.5110091663329E+15

Sphere

Radius = n

Volume	4.4183940834572E+22
Surface area	6.0440366653315E+15
Circumference	137796593.52042

Square

Length = n

Perimeter	87724036
Area	480969155758081
Diagonal	31015130.364326

Cube

Length = n

Surface area	2885814934548486
Volume	1.0548138883653E+22
Space diagonal	37985621.84925

Equilateral Triangle

Length = n

Perimeter	65793027
Area	2.0826575366163E+14
Altitude	18992810.924625

Triangular Pyramid

Length = n

Surface area	2.0826575366163E+14
Volume	1.2431100889214E+21
Height	10338376.788109